package com.hxzy;

import org.springframework.boot.SpringApplication;
import org.springframework.boot.autoconfigure.SpringBootApplication;
import org.springframework.cloud.client.discovery.EnableDiscoveryClient;
import org.springframework.cloud.gateway.filter.ratelimit.KeyResolver;
import org.springframework.context.annotation.Bean;
import org.springframework.web.server.ServerWebExchange;
import reactor.core.publisher.Mono;

@SpringBootApplication
@EnableDiscoveryClient
public class GatewayApplication {
    public static void main(String[] args) {
        SpringApplication.run(GatewayApplication.class);
    }

    //定义一个KeyResolver
    @Bean(name = "ipKeyResolver")
    public KeyResolver ipKeyResolver() {
        return new KeyResolver() {
            public Mono<String> resolve(ServerWebExchange exchange) {
                System.out.println("生成+++++++++++++++++++++++++==");
                String hostName = exchange.getRequest().getRemoteAddress().getHostName();
                System.out.println("----------- " + hostName);
                return Mono.just(hostName);
            }
        };
    }
}
